CVE-2024-22401— All users can reset the allowed apps list for Nextcloud Guest App users
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I. Basic Information for CVE-2024-22401
Vulnerability Information
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Vulnerability Title
All users can reset the allowed apps list for Nextcloud Guest App users
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud guests app is a utility to create guest users which can only see files shared with them. In affected versions users could change the allowed list of apps, allowing them to use apps that were not intended to be used. It is recommended that the Guests app is upgraded to 2.4.1, 2.5.1 or 3.0.1. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
权限预留不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud guests存在安全漏洞，该漏洞源于所有用户都可以为来宾用户重置应用列表。受影响的产品和版本：Nextcloud guests 2.4.0及更高版本，2.5.0及更高版本，3.0.0及更高版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| nextcloud | security-advisories | >= 2.4.0, < 2.4.1 | - |
II. Public POCs for CVE-2024-22401
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://hackerone.com/reports/2250398x_refsource_MISC
- https://github.com/nextcloud/guests/pull/1082x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2024-22401
Same Patch Batch · nextcloud · 2024-01-18 · 7 CVEs total
| CVE-2024-22212 | 9.7 CRITICAL | Nextcloud global site selector authentication bypass |
| CVE-2024-22402 | 5.4 MEDIUM | Improper handling of request URLs in Nextcloud Guests app allows guest users to bypass app |
| CVE-2024-22404 | 4.1 MEDIUM | Permissions bypass in Nextcloud with the files zip app |
| CVE-2024-22400 | 3.1 LOW | Open redirect in user_saml via RelayState parameter in Nextcloud User Saml |
| CVE-2024-22403 | 3.0 LOW | OAuth2 authorization codes are valid indefinetly in Nextcloud server |
| CVE-2024-22213 | Cross-site Scripting when sending HTML as a comment in the Nextcloud Deck app |
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